*SUPPORT*
IN: fep blicket gazzer wif OUT: PURPLE BLUE BLUE
IN: tufa wif zup gazzer zup OUT: PINK GREEN PURPLE PINK
IN: fep gazzer wif OUT: PURPLE BLUE
IN: wif fep blicket blicket OUT: PURPLE BLUE PURPLE BLUE PURPLE BLUE PURPLE BLUE
IN: tufa OUT: GREEN
IN: zup tufa OUT: PINK GREEN
IN: zup wif OUT: PINK PURPLE
IN: zup gazzer fep blicket blicket OUT: BLUE PINK BLUE PINK BLUE PINK BLUE PINK
IN: zup zup OUT: PINK PINK
IN: tufa gazzer fep blicket OUT: BLUE GREEN BLUE GREEN
IN: zup gazzer tufa OUT: GREEN PINK
IN: wif gazzer zup OUT: PINK PURPLE
IN: wif OUT: PURPLE
IN: fep gazzer fep gazzer zup dax fep zup OUT: BLUE PINK PINK BLUE BLUE

*QUERY*
IN: wif fep dax zup OUT: PINK PURPLE BLUE
IN: zup dax fep OUT: BLUE PINK
IN: wif fep blicket OUT: PURPLE BLUE PURPLE BLUE
IN: fep OUT: BLUE
IN: wif blicket gazzer fep OUT: BLUE PURPLE PURPLE
IN: fep wif blicket OUT: BLUE PURPLE BLUE PURPLE
IN: zup blicket blicket OUT: PINK PINK PINK PINK
IN: wif tufa wif wif blicket OUT: PURPLE GREEN PURPLE PURPLE PURPLE GREEN PURPLE PURPLE
IN: zup OUT: PINK
IN: tufa wif gazzer wif OUT: PURPLE GREEN PURPLE

*GRAMMAR*
wif -> PURPLE 
 zup -> PINK 
 fep -> BLUE 
 tufa -> GREEN 
 x1 dax x2 -> [x2] [x1] 
 x1 blicket -> [x1] [x1] 
 x1 gazzer u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 